Vitamin C

Vitamins/Minerals · Evidence: Strong · Importance: Low

Supports vitamin C intake and collagen synthesis.

What the evidence says

Useful when dietary intake is low. Limited benefit otherwise.

Typical dose & timing

Dose: 100–500 mg/day

Timing: Any time; often paired with collagen.

Role in a stack

Micronutrient support.

Redundancy check: Usually covered by diet in most people.

Cautions & safety

High doses can cause GI upset.

Water-soluble. High doses not well retained.

Best for

low fruit/vegetable intake · collagen pairing

Source-verified products

Real products in this category, ordered by review count. Each price and rating comes from the product's own page, recorded 2026-07-29 — follow the link for current values. Links go to the product's source page and never affect this ranking.

• California Gold Nutrition, Gold C®, USP Grade Vitamin C, 1,000 mg, 240 Veggie Capsules
  California Gold Nutrition · $15.42 · 4.8/5 (384275 ratings) · mid tier
• 21st Century, Vitamin C, 500 mg, 250 Tablets
  21st Century · $8.99 · 4.8/5 (35460 ratings) · budget tier
• Codeage, Liposomal Vitamin C+, 180 Vegetable Capsules
  Codeage · $39.99 · 4.8/5 (9786 ratings) · premium tier
• Doctor's Best, Vitamin C , 1,000 mg, 120 Veggie Caps
  Doctor's Best · $19.99 · 4.7/5 (9237 ratings) · premium tier
• Solgar, Vitamin C, 1,000 mg, 90 Tablets
  Solgar · $10.42 · 4.8/5 (6509 ratings) · budget tier
• NutriBiotic, Vitamin C, 1,000 mg, 100 Vegan Tablets
  NutriBiotic · $7.87 · 4.8/5 (1663 ratings) · budget tier
• Forest Leaf, Liposomal Vitamin C, 120 Vegetable Capsules
  Forest Leaf · $17.95 · 4.8/5 (1587 ratings) · mid tier
• Country Life, Buffered Vitamin C, 1,000 mg, 250 Tablets
  Country Life · $29.99 · 4.8/5 (1427 ratings) · premium tier
• Mason Natural, Vitamin C, 1,000 mg, 100 Tablets
  Mason Natural · $8.77 · 4.7/5 (1282 ratings) · budget tier
• Nutricost Vitamin C with Rose Hips Capsules
  Nutricost · $15.97 · 4.4/5 (563 ratings) · mid tier
• Megadose Vitamin C Liposomal
  MaryRuth Organics · $24.99 · 4.7/5 (510 ratings) · premium tier
• Vitamin C 1000mg with Rose Hips
  NutraBio · $15.99 · 4.8/5 (31 ratings) · mid tier

References

• Vitamin C supplementation slightly reduces exercise-induced oxidative stress. International Journal of Sport Nutrition and Exercise Metabolism (2012)
  Vitamin C has strong evidence for preventing scurvy and supporting collagen synthesis. Low priority for those with adequate fruit and vegetable intake.